DirectionsAlka-Seltzer must always be dissolved in a glass of water prior to oral administration. The dose in adults, elderly and children aged 16 years and over is 2 tablets in water. The dose may be repeated every 4 hours, as required, with a maximum of 4 dosages in 24 hours. These dosages should not be continues fro more than three days without consulting a physician. The stated dose must not be exceeded.

Do not give to children under 16 years, unless specifically indicated (e.g. for Kawasaki's disease).

Warnings, Side Effects:

Do not take Alka Seltzer if you are allergic to aspirin or to any other ingredients, have a stomach or duodenal ulcer, have haemophilia or are pregnant or breast feeding. Avoid if you are on a high dose of methotrexate, 15mg per week. Speak to your doctor before taking Alka Seltzer if you suffer from Asthma.
Aspirin has also been associated with increased risk of Reye's Syndrome when given to children with a fever. For this reason the use of aspirin is not recommended in children under 16 years of age.
You should ask your doctor before taking aspirin if you are taking any other medicines including those for blood clots (thrombosis) such as warfarin or gout such as probenecid.
If you are unsure please check with your doctor, always read the label.